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Physics module 10 · Put your knowledge to work

Electric Charges Applications

Practise charge counting, charging methods, Coulomb's law, and equilibrium.

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7 problem sets · Learn at your pace · Some resources require membership

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Start with a familiar topic, then work towards more demanding problems.

7 of 7 sets

  1. 01Problem studio

    Charge, Conservation and Quantisation Problems

    Electron counting, Q = ne, charge ledgers, and transfer currents.

    Open practice
  2. 02Problem studio

    Conductors, Insulators and Polarisation Problems

    Induced charge, dipole moments, surface densities, and neutral attraction.

    Open practice
  3. 03Problem studio

    Charging: Friction, Contact and Induction Problems

    Electron transfer, equal sharing, contact sequences, and induction order.

    Open practice
  4. 04Problem studio

    Coulomb's Law Problems

    Force between point charges, inverse-square scaling, and rearrangements.

    Open practice
  5. 05Problem studio

    Superposition and Charge Equilibrium Problems

    Vector force sums, null points, triangles, and equilibrium ratios.

    Open practice
  6. 06Problem studio

    Electrostatics Applications and Safety Problems

    Discharge currents, stored energy, potential difference, and ignition margins.

    Open practice
  7. 07Problem studio

    Electrostatics Calculus Problems

    Charge elements, integrated line charge, finite-rod force, and force sensitivity.

    Open practice
Review the foundations 4 related lessons

Extra challenging questions

Take the ideas further with course-specific extension questions, supplied-data graphs and worked solutions.